Under all operating conditions the system will

This preview shows page 1 - 2 out of 2 pages.

cross-sensing system to their machine hydraulics. Under all operating conditions the system will utilizes each of two hydraulic pumps up to 100 percent of engine power. The turn of pivot can be quicker and stronger as it improves the productivity with faster implement speeds. This system is very useful and increase the efficiency of the machine but unfortunately it is not available in Hitachi excavator. Moreover, the Caterpillar excavator attach an extra control circuits to improve versatility of the machine which called auxiliary hydraulic valve. It is a good improvement for the machine as it will allow the machine to operate of high and medium- pressure tools. The tools are such as shears, grapples, hammers, pulverisers, multiprocessors and vibratory plate compactors can be used when auxiliary hydraulic valve installed. This add-on item doesn’t available in the Hitachi excavator as it is proved that Caterpillar excavator can be more reliable in any situations and suitable for many
Image of page 1

Subscribe to view the full document.

tools. Lastly, the regeneration circuit for boom and stick can save energy during boom-down and stick-in operation. For Hitachi excavator the used of the boom and stick circuit still
Image of page 2
  • Fall '19

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern

Ask Expert Tutors You can ask 0 bonus questions You can ask 0 questions (0 expire soon) You can ask 0 questions (will expire )
Answers in as fast as 15 minutes